Robert Gardner Harrison

Insider Reports History

Location
Salt Lake City, UT
Signature
/s/ Benjamin G. Jackson, Attorney-in-fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Robert Gardner Harrison:

Company Role Class Num Shares Value Price $ Report Date Ownership
SERA PROGNOSTICS, INC. Chief Information Officer Class A Common Stock 86,788 $287,268 $3.31 10 Dec 2025 Direct
SERA PROGNOSTICS, INC. Chief Information Officer Stock Option (right to buy) 36,830 05 Mar 2025 Direct

Insider Reports Filed by Robert Gardner Harrison

Symbol Company Period Transactions Value $ Form Type Role Filing Time
SERA SERA PROGNOSTICS, INC. 30 Dec 2025 1 -$6,000 4 Chief Information Officer 30 Dec 2025, 18:41
SERA SERA PROGNOSTICS, INC. 10 Dec 2025 1 -$2,039 4 Chief Information Officer 11 Dec 2025, 19:56
SERA SERA PROGNOSTICS, INC. 02 Dec 2025 1 -$5,860 4 Chief Information Officer 03 Dec 2025, 16:14
SERA SERA PROGNOSTICS, INC. 10 Nov 2025 1 -$17,103 4 Chief Information Officer 12 Nov 2025, 16:24
SERA SERA PROGNOSTICS, INC. 04 Nov 2025 1 -$6,140 4 Chief Information Officer 04 Nov 2025, 18:35
SERA SERA PROGNOSTICS, INC. 07 Oct 2025 1 -$6,360 4 Chief Information Officer 08 Oct 2025, 16:35
SERA SERA PROGNOSTICS, INC. 11 Sep 2025 1 -$2,019 4 Chief Information Officer 12 Sep 2025, 16:35
SERA SERA PROGNOSTICS, INC. 09 Sep 2025 1 -$6,100 4 Chief Information Officer 09 Sep 2025, 18:51
SERA SERA PROGNOSTICS, INC. 20 Aug 2025 1 -$13,320 4 Chief Information Officer 20 Aug 2025, 18:55
SERA SERA PROGNOSTICS, INC. 08 Aug 2025 1 -$15,143 4 Chief Information Officer 11 Aug 2025, 16:36
SERA SERA PROGNOSTICS, INC. 10 Jun 2025 1 -$987 4 Chief Information Officer 11 Jun 2025, 20:12
SERA SERA PROGNOSTICS, INC. 08 May 2025 1 -$15,984 4 Chief Information Officer 09 May 2025, 19:17
SERA SERA PROGNOSTICS, INC. 07 Mar 2025 1 -$16,116 4 Chief Information Officer 10 Mar 2025, 17:26
SERA SERA PROGNOSTICS, INC. 05 Mar 2025 3 -$13,524 4 Chief Information Officer 07 Mar 2025, 19:29
SERA SERA PROGNOSTICS, INC. 13 Feb 2025 1 -$15,451 4 Chief Information Officer 14 Feb 2025, 16:17
SERA SERA PROGNOSTICS, INC. 12 Feb 2025 1 -$33,420 4 Chief Information Officer 14 Feb 2025, 16:11
SERA SERA PROGNOSTICS, INC. 11 Feb 2025 1 -$2,199 4 Chief Information Officer 13 Feb 2025, 19:45
SERA SERA PROGNOSTICS, INC. 10 Jan 2025 3 -$119,678 4 Chief Information Officer 14 Jan 2025, 21:12
SERA SERA PROGNOSTICS, INC. 11 Nov 2024 1 -$34,602 4 Chief Information Officer 12 Nov 2024, 17:03
SERA SERA PROGNOSTICS, INC. 07 Aug 2024 1 -$37,263 4 Chief Information Officer 08 Aug 2024, 16:50
SERA SERA PROGNOSTICS, INC. 08 May 2024 1 -$47,010 4 Chief Information Officer 10 May 2024, 17:40
SERA SERA PROGNOSTICS, INC. 06 Mar 2024 1 -$19,285 4 Chief Information Officer 07 Mar 2024, 16:15
SERA SERA PROGNOSTICS, INC. 06 Feb 2024 1 -$45,490 4 Chief Information Officer 07 Feb 2024, 16:56
SERA SERA PROGNOSTICS, INC. 06 Nov 2023 1 $0 4 Chief Information Officer 08 Nov 2023, 16:16
SERA SERA PROGNOSTICS, INC. 05 Jun 2023 1 -$16,150 4 Chief Information Officer 06 Jun 2023, 16:07
SERA SERA PROGNOSTICS, INC. 06 Mar 2023 2 $0 4 Chief Information Officer 07 Mar 2023, 18:50
SERA SERA PROGNOSTICS, INC. 23 Mar 2022 1 $0 4 Chief Information Officer 25 Mar 2022, 16:34
SERA SERA PROGNOSTICS, INC. 01 Nov 2021 0 $0 3 Chief Information Officer 01 Nov 2021, 16:40